RFR: 8234502: Merge GenCollectedHeap and SerialHeap [v11]

[Chris Plummer]

On Thu, 11 Jan 2024 05:14:50 GMT, Lei Zaakjyu <duke at openjdk.org> wrote:

>> Lei Zaakjyu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix
>
> src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/PointerFinder.java line 115:
> 
>> 113:             }
>> 114:           }
>> 115:         }
> 
> I don't know if I should restore these codes for TLAB pointer identification.

Why not? From my understanding of the changes, all that should be needed for SA is to rename GenCollectedHeap to SerialHeap and move (most of) the contents of GenCollectedHeap.java to SerialHeap.java. I would use that as a starting point and see if everything works ok.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16927#discussion_r1448317595